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Revegetation

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Tree planting is a commonly used method of revegetation. Whether your site is on cleared land (where the resilience of vegetation is largely depleted or absent) or you want to bulk up existing remnant vegetation, the planting of nursery-raised stock can be an important method to re-introduce species which were once indigenous to the site – even though it may not be the only method available. Catchment Services have a broad range of experience in the science of revegetation in a variety of ecosystems.

We use local plant species wherever possible when undertaking a rehabilitation project as provenance is important to maintain ecosystem integrity and health. Catchment Services can compile site specific species lists tailored to our clients’ requirements, including but not limited to, suitable pioneer, groundcover, mid-storey, canopy and emergent species. We adapt lists from Regional Ecosystem descriptions and local vegetation surveys conducted by staff.

 Site Establishment:

When planning a revegetation project Catchment Services aim to involve all stakeholders including neighbours, landholders and the wider community. The success of tree planting also depends largely on the work that precedes the planting of the tubestock. Ideally preparation work would usually commence at least three months in advance of the actual planting date and watering and maintenance would follow at regular scheduled intervals.

The initial control of weeds and introduced pasture grasses is essential in achieving high survival and growth rates, as weeds and pasture grasses can cause permanent damage by out-competing seedlings for moisture, nutrients and light. Control can be achieved using a variety of methods such as spot spraying at individual planting holes or blanket/row spray treatment. For large projects broad scale spraying can be unnecessary and costly, as the aim of revegetation is to eventually shade out weed species, effectively reducing maintenance over time.

Planting:

The Catchment Services team are experienced in revegetation projects small and large. With our range of resources and experience we can access almost any site.

A slow release water crystals/fertiliser combination that is suitable for use with native plants (i.e., one that is low in phosphorous) can be used to increase plant growth success.

Follow up weed control is ideal, and weeds and introduced grasses should be controlled by hand or careful spraying, around each new plant at intervals in the months to follow.

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